Transaction not yet indexed

5b21p9ojtsqV4EfogmiA8JYateKsVENQoeGmiTKPgbhCGBV38eaVySrfyLbYp96uuSYSJL2fEX2fqLfk6DcZwGU6

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.